2,093 results found
    1. Cell Biology

    The unfolded protein response in fission yeast modulates stability of select mRNAs to maintain protein homeostasis

    Philipp Kimmig, Marcy Diaz ... Peter Walter
    A unique form of regulation has been observed in the unfolded protein response of S. pombe, along with a novel mechanism of post-transcriptional mRNA processing.
    1. Structural Biology and Molecular Biophysics

    Molecular architecture of human polycomb repressive complex 2

    Claudio Ciferri, Gabriel C Lander ... Eva Nogales
    Electron microscopy has been used to produce the first three-dimensional image of the PRC2 gene-silencing complex.
    1. Chromosomes and Gene Expression

    Non-canonical TAF complexes regulate active promoters in human embryonic stem cells

    Glenn A Maston, Lihua Julie Zhu ... Michael R Green
    The transcription machinery used to regulate gene expression and self-renewal in human embryonic stem cells is different from that found in other cells.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    KDM2B links the Polycomb Repressive Complex 1 (PRC1) to recognition of CpG islands

    Anca M Farcas, Neil P Blackledge ... Robert J Klose
    A protein that can recognize regions of DNA with a high proportion of unmethylated CpG dinucleotides, and then recruit polycomb group proteins to these CpG islands, has been identified.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Meiosis I chromosome segregation is established through regulation of microtubule–kinetochore interactions

    Matthew P Miller, Elçin Ünal ... Angelika Amon
    Preventing premature interactions between microtubules and protein-based structures called kinetochores ensures that chromosomes are segregated by meiosis rather than mitosis in reproductive cells.
    1. Developmental Biology
    2. Neuroscience

    Morphologic diversity of cutaneous sensory afferents revealed by genetically directed sparse labeling

    Hao Wu, John Williams, Jeremy Nathans
    The first survey of the complete morphologies of nerve endings in the skin of mice has revealed enormous structural diversity.
    1. Immunology and Inflammation

    Dendritic cells loaded with FK506 kill T cells in an antigen-specific manner and prevent autoimmunity in vivo

    Dana E Orange, Nathalie E Blachere ... Robert B Darnell
    By using immune cells called dendritic cells to deliver drugs, it is possible to target and kill specific members of another class of immune cell, known as T cells, and to prevent these cells from attacking the body's own tissues in cases of autoimmune disease.
    1. Cell Biology

    The ART-Rsp5 ubiquitin ligase network comprises a plasma membrane quality control system that protects yeast cells from proteotoxic stress

    Yingying Zhao, Jason A MacGurn ... Scott Emr
    Ubiquitin ligase adaptors target the selective clearance of misfolded plasma membrane proteins.
    1. Cell Biology

    TRPM5-mediated calcium uptake regulates mucin secretion from human colon goblet cells

    Sandra Mitrovic, Cristina Nogueira ... Vivek Malhotra
    Goblet cells secrete mucins—which are key components of mucus—in a process that is regulated by calcium ions, which enter the goblet cells via a mechanism involving a channel protein called TRPM5.
    1. Biochemistry and Chemical Biology
    2. Developmental Biology

    CAMKII and Calcineurin regulate the lifespan of Caenorhabditis elegans through the FOXO transcription factor DAF-16

    Li Tao, Qi Xie ... Meng-Qiu Dong
    Longevity in C. elegans is influenced not only by insulin/IGF-1 signalling, but also by CAMKII and calcineurin, acting on the same target, the transcription factor DAF-16.

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